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Modem Reference Information
130 Reference Guide
Command Function (3Com)
F0 Turn online echo on
F1 Turn online echo off
H0 Hang up (go on-hook)
H1 Pick up (go off-hook)
I0 Display the 4-digit product code
I1 Display the checksum
I2 Display the RAM test results
I3 Display the firmware version
I4 Display the current modem settings
I5 Display user profiles
I7 Display the product configuration
I8 Display blacklist screen
I10 Display VXD configuration screen
I11 Display V.34 link screen
L0 Set modem speaker volume off
L1 Set modem speaker volume on (low)
L2 Set modem speaker volume on (medium)
L3 Set modem speaker volume on (high)
M0 The modem’s speaker is always off
M1 The modem’s speaker is on until a connection is made
M2 The modem’s speaker is always on
M3 The modem’s speaker is off during dialing, and on after dialing until the connection is made
O0 Return to online mode
O1 Return to online mode and retrain (automatically return to the highest speed)
S$ Display the list of S-register settings
Sr=n Set S-Register “r” to “n”
Sr? Display the value of S-Register “r”
V0 Display result codes in numeric form
V1 Display result codes in verbose form (words)
X0 Report basic call progress result codes, i.e., OK, CONNECT, RING, NO CARRIER, (also, for busy, if
enabled, and dial tone not detected), NO ANSWER and ERROR
X1 Report basic call progress result codes and the connect rates—OK, CONNECT, RING, NO CARRIER
(also, for busy, if enabled, and dial tone not detected), NO ANSWER, CONNECT XXXX and ERROR
X2 Report basic call progress result codes and the connect rates i.e., OK, CONNECT, RING, NO CARRIER
(also, for busy, if enabled), NO DIAL TONE, NO ANSWER, CONNECT XXXX and ERROR
X3 Report basic call progress result codes and connection rate i.e., OK, CONNECT, RING, NO CARRIER, NO
ANSWER, CONNECT XXXX, BUSY and ERROR
X4 Report all call progress result codes and connection rate i.e., OK, CONNECT, RING, NO CARRIER, NO
ANSWER, CONNECT XXXX, BUSY, NO DIAL TONE and ERROR
Y0 On the next reset, use &W0 settings
Y1 On the next reset, use &W1 settings
Y2 On the next reset use, &F0 settings
Y3 On the next reset, use &F1 settings
Y4 On the next reset, use &F2 settings
Z0 Reset the modem according to the settings of ATY
Z1 Reset the modem and use &W0 settings
Z2 Reset the modem and use &W1 settings
Z3 Reset the modem using &F0 settings and load factory default profile 1
Z4 Reset the modem using &F1 settings and load factory default profile 0